Market forces are catching up with Alberta's oil boom, and Canadian oil companies are rethinking...

Market forces are catching up with Alberta's oil boom, and Canadian oil companies are rethinking investment in oil sands, WSJ's Chip Cummins writes. The latest example: Suncor (SU) yesterday said it is reviewing three multibillion-dollar mining and upgrading projects, and will delay a final decision about going ahead with any of them, in an attempt to cut capital spending.